Gang Bearings - Grizzly Field Boss Folding Wing Manual

12 Lubrication and Maintenance

12:4 Gang Bearings

When disc gang bearings are unservicable it
is neccessary to remove the gang assembly
and replace the bearing.
Follow the procedures below:
1. Remove the scrapers from the bank of
discs where the failed bearing is.
2. Clean the housing and area surrounding
the bearing to be replaced.
3. With the discs resting on the ground,
remove the two 16mm axle locator bolts
holding the gang axle to the gang frame.
4. Lift the plough up about 250mm, ensure
the bank of discs is free from the gang
frame, if it doesn't drop out, ensure
axle locator bolt
everybody is clear and carefully bump the
discs with a crow bar, which will separate
the disc gang from the gang frame. Roll
the gang assembly out from under the
plough.
5. Remove the dust covers and spacer
washers and slide the gang axle out.
38
6. Clean the bearing and housing, to check
if the bearing is serviceable or not, grip
the inner race and apply pressure in and
out and feel for movement, if there is
noticeable movement, the bearing will
need to be replaced.
7. Place the end of the gang axle into the
bearing to be removed and twist bearing
in the direction of the slots in the bearing
housing, as far as it will go.
8. Using a soft bearing mallet, knock the
6 BOLT DISCS 28" SCALLOPED - 1 1/2"
6 BOLT DISCS 28" SCALLOPED - 1 1/2"
bearing to a right angle position in the D ( 1 : 8 )
BEARING
BEARING
housing and remove it through the slot.
6 BOLT DISCS 28" SCALLOPED - 1 1/2"
BEARING
Place the end of the gang axle into the bearing
to be removed.
L:\Inventor\Parts\GG-\GGF036NESDS.idw
Twist bearing with the axle, in the direction of
the slots in the bearing housing.
D
L:\Inventor\Parts\GG-\GGF036NESDS.idw Specifications are subject to change without prior notification
WARNING!
Replacing disc bearings involves
moving and handling very heavy
disc gangs and components.
When moving, disassembling,
reassembling and refitting discs
& disc gangs, take all protective
precautions necessary to avoid
injury by sharp discs, heavy
components, jamming or crushing.
Never push against a disc with your
foot or arm.
Failure to do this may lead to
serious injury.
9. Thoroughly clean the housing, paying
particular attention to the grease groove.
Check for damage and replace if needed.
10. Insert the new bearing into the bearing
housing, making sure to align the grease
hole of the bearing and the grease groove
of the bearing housing.
Use a soft mallet and drift to knock the bearing
into right angled position to remove it.
From serial number 6714
Including 6586, 6666, 6703